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| Number | Title | Issue Date |
| 8092747 | Modular reactor for exothermic/endothermic chemical reactions Modular reactor for exothermic/endothermic chemical reactions which take place in three-phase systems, comprising a series of modules, superimposed with respect to each other, fixed to each other by means of coupling flanges, each module consisting of an external cy... | 01/10/2012 |
| 8066949 | Scrubber for fluid coker unit Fouling in the scrubber section of a fluid coker unit is reduced by providing perforated baffles to improve the uniformity of the gas flow profile in the scrubber by reducing the gas velocity of the cyclone outlet gases in the scrubber section of the unit. These baf... | 11/29/2011 |
| 8057744 | Bubble column-type Fischer-Tropsch synthesis slurry bed reaction system According to an exemplary embodiment, a bubble column-type slurry bed Fischer-Tropsch synthesis reaction process can be provided, in which synthesis gas supplied continuously from the bottom of a reactor contacts suspended catalyst particles to form liquid hydrocarb... | 11/15/2011 |
| 8017083 | System for catalytically converting oxygenates and regenerating and stripping catalyst A system of converting oxygenate-containing feedstock to light olefins comprises charging a reactor with catalyst, feeding the feedstock into the reactor, contacting the feedstock with the catalyst and converting the feedstock to olefins while depositing byproducts ... | 09/13/2011 |
| 7964153 | Reactor having a downcomer producing improved gas-liquid separation and method of use In an upflow reactor for reacting heavy hydrocarbons with hydrogen gas in a liquefied catalyst slurry, that mixture is recirculated down through a downcomer having an upper degassing section which includes a frusto-conical upper surface. The mixture is caused to flo... | 06/21/2011 |
| 7935313 | Device for producing liquid hydrocarbons by Fischer-Tropsch synthesis in a three-phase bed reactor The invention concerns a device for producing liquid hydrocarbons by Fischer-Tropsch synthesis on solid catalyst particles in a three-phase bed reactor, said device being equipped with at least one filter cartridge mounted in a filtering zone inside said reactor, sa... | 05/03/2011 |
| 7901636 | Optimized liquid-phase oxidation Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reacti... | 03/08/2011 |
| 7758817 | Device for contacting high contaminated feedstocks with catalyst in an FCC unit An FCC process and apparatus comprising an enlarged riser section and a distributor in an elevated position and with an opening in its tip away from riser walls may reduce coke build-up along the interior walls of a riser. Catalytic mixing may be improved, which cou... | 07/20/2010 |
| 7754159 | System and method for limiting backflow in a biological fluidized bed reactor A fluidized bed reactor configured for reduced backflow of fluid is provided. The fluidized bed reactor comprises a vessel configured to contain a level of fluid, a feed conduit positioned to deliver feed into the vessel from an elevation above the level of fluid an... | 07/13/2010 |
| 7601304 | Distribution apparatus for contact of hydrocarbon compounds with particles Disclosed is an apparatus for injecting a plurality of uniform jets into an extended dispersion of moving catalyst particles within a reactor vessel. The apparatus comprises a plurality of outer conduits each for carrying atomizing fluid. A plurality of tips in the ... | 10/13/2009 |
| 7449155 | Reactor cup shell-in-shell riser for reaction vessel used in hydroconversion of fossil fuels A catalytic hydrocracking reactor vessel includes enhanced components for the conversion of a hydrogen gas and fossil fuel feedstream to light liquid hydrocarbons. The reactor vessel comprises one or more of a reactor cup riser with a helical cyclonic separator cond... | 11/11/2008 |
| 7438863 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a plurality of catalyst storage regions associated with a vessel and a metering device associated with the vessel. The metering device is configured to provide a metric indic... | 10/21/2008 |
| 7414166 | Minimizing catalyst backflow in fluidized bed reactors This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end in fluid communication with a feed source, a second end in fluid commu... | 08/19/2008 |
| 7413713 | Reaction apparatus and mixing system A reaction apparatus comprises a first supply flow channel having a fine flow channel cross sectional area for a liquid pressurized by a pressurizing device, a gas supply flow channel having a fine flow channel cross sectional area for supplying a gas, a two-phase f... | 08/19/2008 |
| 7399450 | Cyclone layer reactor A fluidized-bed reactor is disclosed. The fluidized-bed reactor steadies the gas flow through the fluidized bed chamber of the reactor. The swirl chamber of the reactor consists of a conical housing in which a conical insert is also situated. This creates an annular... | 07/15/2008 |
| 7399898 | Simulated moving bed adsorptive separation process for preventing increase in pressure drop and system thereof Disclosed is a simulated moving bed (SMB) adsorptive separation system in which at least one component of a fluid mixture is brought into contact with a solid adsorbent and the adsorbed component is desorbed with a desorbent, wherein the improvement comprises an ine... | 07/15/2008 |
| 7381320 | Heavy oil and bitumen upgrading Disclosed is a process for the upgrading and demetallizing of heavy oils and bitumens. A crude heavy oil and/or bitumen feed is supplied to a solvent extraction process 104 wherein DAO and asphaltenes are separated. The DAO is supplied to an FCC unit 106 | 06/03/2008 |
| 7378016 | Device for increasing pH of an aqueous stream A device is provided for increasing the pH of an acidic aqueous stream, which may result from commercial activity in petroleum, mining, metal finishing and food processing sectors, among others. A container defines an upright reactor portion with a cross-section tha... | 05/27/2008 |
| 7368090 | FCC spent catalyst distributor An distributor arrangement introduces spent FCC catalyst more uniformly across the dense bed of the regenerator to provide more even contact with regeneration gas in order to avoid hot spots and zones of incomplete combustion. The invention forms a fluidized hopper ... | 05/06/2008 |
| 7341142 | Elastomer composite materials in low density forms and methods A bale of elastomer composite is formed of elastomer and filler, the bale having a void volume of at least 3%. In another aspect, a container is provided, at least a portion of the container being occupied by elastomer composite pieces of elastomer and filler, where... | 03/11/2008 |
| 7332131 | Apparatus and method for achieving a desireable feed/catalyst contacting condition in fluid catalytic cracking units A feed nozzle assembly located near the bottom of an FCC riser reactor includes a plurality of feed nozzles, each feed nozzle including a discharge end which is angled toward the center of the riser. The angled discharged ends provide a combined discharge of hydroca... | 02/19/2008 |
| 7303731 | Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ... | 12/04/2007 |
| 7287745 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 10/30/2007 |
| 7256052 | Chemical reaction and analysis system This invention is to a microreactor type of reaction and analysis system. The system includes a chemical reaction chamber having internal conduits through which a chemical reactant, such as a reaction gas, can be fed. The conduits for transporting fluids such as rea... | 08/14/2007 |
| 7220341 | Controlling solids flow in a gas-solids reactor This invention is to a process and system for controlling solids distribution in a gas-solids reactor. Solids distribution is controlled by controlling electrical charges between solid particles flowing between conductive surfaces within a gas-solids reactor. The el... | 05/22/2007 |
| 7214290 | Treatment of spent caustic refinery effluents In the methods for treatment of caustic effluents described in the specification, a spent caustic refinery effluent is supplied to a submerged combustion gas evaporator in which hot combustion gas containing carbon dioxide is injected into the caustic liquid to conc... | 05/08/2007 |
| 7192490 | Method for treating and extracting cork organic compounds, with a dense fluid under pressure Process for the treatment of cork or a cork-based material particularly with a view towards extracting contaminating organic compounds, in which said cork or said cork-based material is put into contact with a dense fluid under pressure at a temperature of from 10 t... | 03/20/2007 |
| 7172733 | Device for injection of hydrocarbons into a fluidized chamber A device suitable for atomization and injection of a hydrocarbon batch into a reaction chamber comprises an admission and mixing chamber (5) for the liquid hydrocarbon batch introduced into the device by a tube (8) and for an atomization gas introduced... | 02/06/2007 |
| 7160830 | Process for the preparation of catalyst microspheres The present invention relates to a process for the preparation of catalyst particles with a particle diameter in the range 20–2000 microns involving the steps of agitating at least two dry catalyst ingredients, spraying a liquid binding agent on the catalyst ingre... | 01/09/2007 |
| 7153478 | Downflow catalytic cracking reactor and its application A downflow catalytic cracking reactor, comprising the following components: catalyst delivery pipe (1), reactor top cover (2), feed nozzle (3), reactor vessel (6), downflow reaction pipe (9), the upper end of the outer body is clos... | 12/26/2006 |
| 7125913 | Partial oxidation reactors and syngas coolers using nickel-containing components Disclosed are methods and apparatus for producing synthesis gas and higher hydrocarbons from light hydrocarbons and molecular oxygen as well as the higher hydrocarbons produced by the disclosed methods and apparatus. The methods and apparatus disclosed utilize compo... | 10/24/2006 |
| 7121537 | Enclosed space for mixing and distribution of a gaseous phase and a liquid phase circulating in ascending flow Described is an enclosed space, a column, or a reactor including a device for mixing and distribution of at least one gaseous phase and at least one liquid phase. The device can be placed upstream of a reaction zone or of a gas/liquid contact zone that can contain a... | 10/17/2006 |
| 7100905 | Reactor for gas/liquid or gas/liquid/solid reactions A reactor (1) for gas/liquid or gas/liquid/solid reactions having a vertical longitudinal axis and an inlet (2) for a liquid or liquid/solid feed stream in the upper region of the reactor and an inlet (3) for a gaseous stream in the lower region... | 09/05/2006 |
| 7094380 | Distribution apparatus for short time contact of hydrocarbon compounds with particles Disclosed is an apparatus for injecting a plurality of uniform jets into an extended dispersion of moving catalyst particles within a reactor vessel. The apparatus comprises a plurality of outer conduits each for carrying contacting fluid and being fixed to a respec... | 08/22/2006 |
| 7091252 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 08/15/2006 |
| 7087154 | Apparatus and process for downflow fluid catalytic cracking An apparatus for downflow fluid catalytic cracking is described, which comprises a regenerated catalyst riser carrying regenerated catalyst and a carrying fluid, those being directed through a crossover section to a distributor that will centrifuge gas and separate ... | 08/08/2006 |
| 7087097 | Facility for the gasification of carbon-containing feed materials A pressure-supercharged fluidized-bed gasification chamber has a pressure-tight lock for supplying the feed materials which are to be gasified. The fluidized-bed gasification chamber is connected to a filter chamber via a connecting channel, with the result that the... | 08/08/2006 |
| 7060228 | Internal device for separating a mixture that comprises at least one gaseous phase and one liquid phase Device that is integrated in a chamber that allows a separation of a mixture that comprises at least one gaseous fraction and one liquid fraction, whereby said mixture is obtained from a zone for bringing into contact a liquid phase, a gaseous phase and solid partic... | 06/13/2006 |
| 7045013 | Spray booth systems and methods for accelerating curing times One embodiment of the invention provides a spray booth that comprises a spray booth housing having a ceiling and side walls that define an interior for holding an object to be sprayed. A pressurized air plenum is disposed above the ceiling and is adapted to supply a... | 05/16/2006 |
| 7029633 | Method and apparatus for reducing uranium trioxide Uranium trioxide is reduced to uranium dioxide using microwave radiation or radiofrequency radiation directed in such a way that the radiation encounters an interface between uranium trioxide and the uranium-containing reduction product without first having passed t... | 04/18/2006 |
